Toggle Nav
Search
CALL US
OUR LOCATIONS
Login
Cart 0
  • info@hkcalibrations.com.au
    • Menu
    Account

    0.385" Bore Dia Threaded Heavy Duty Lagging Thermowells

    Threaded thermowells have a bore diameter of 0.385" with a tapered shank & lagging extension. Ideal for 3/8" Dia elements. Click here to shop more.
    $117.76
    Enquire
    Email Print this Page

    Data Sheet (PDF)

    0.385" Bore Dia Threaded Heavy Duty Lagging Thermowells
    Application:
    Standard length, 3/8' stem, bimetal thermometers. #14 gage thermocouple elements. Armored liquid-in-glass test thermometers. Other temperature-sensing elements having .377 in. maximum diameter.

    Connection Size:
    1' NPT is standard. Other thread sizes are available upon request.

    Materials:
    Brass (ASTM B-16), Carbon Steel (C-1018), Stainless Steel A.I.S.I. 304 & A.I.S.I. 316, Monel. Wells are also available in special materials; prices on request.


    Series 385HL—Lagging Extension Type External Thread “P”– 1' NPT
    All dimensions in inches.

    * NPSM internal pipe thread will accept both NPT and NPS male threads.


    External Thread
    P    		 Model No. Lag. Ext.
    T    		 Elem. Lgth.
    A    		 Insert. Lgth.
    U    		 Shank Dia.
    Q
    1' NPT 1-385HL-U 2 1/2
            -U 4 1/2
            -U 7 1/2
            -U10 1/2
            -U13 1/2
            -U19 1/2    		 2
    3
    3
    3
    3
    3    		 6
    9
    12
    15
    18
    24    		 2 1/2
    4 1/2
    7 1/2
    10 1/2
    13 1/2
    19 1/2    		 1 1/16
    1 1/16
    1 1/16
    1 1/16
    1 1/16
    1 1/16


    Maximum Fluid Velocity—feet per second
    Well Type Material Insertion Length – “U”
    2 1/2 4 1/2 7 1/2 10 1/2 13 1/2 16 1/2 19 1/2 22 1/2
    1' - 385H
    and
    1' - 385HL    		 Brass 321 (150) 129 (83.5) 46.8 23.6 14.5 9.6 6.9 5.1
    Carbon Steel 410 (270) 249 (150) 90.3 45.6 27.8 18.5 13.2 9.8
    A.I.S.I. 304 & 316 483 (350) 272 (208) 97.3 49.7 30.4 20.3 14.5 10.7
    Monel 396 (300) 214 (167) 77.5 39.2 23.8 16 10.3 7.7
    Where single values appear in the velocity tables, these may be considered safe for water, steam, air or gas. In the shorter insertion lengths, consideration is given to the velocity pressure effect of water flowing at higher velocities. The values in parentheses, therefore, represent safe values for water flow, while the unbracketed values may be used for steam, air, gas and similar density fluids.
    See 385H Thermowell Page for Pressure-Temperature Ratings